Acetylene-gas burner.



4 No. 672,502. Patented Apr. 23, mm. c. T. WILLSOYN. ACETYLENE GAS BURNER.

(Application filed Mar. 7, 1900.)

(No Model.)

WITNESSES:

THE Noam PsTzns co., vacuum-1c WASHINGYOH, u. z;

UNITED STATES PATENT @Fmcn.

CHARLES THERON WILLSON, OF AMENIA, NE\V YORK.

ACETYLENE-GAS BURNER.

SPECIFICATION forming part of Letters Patent No. 672,502, dated April 23, 1901.

Application filed March 7, 1900. Serial No. 7,674. (No model.)

To otZZ whom, it may concern,-

Be it known that LOHARLES THERoN WILL- SON, a citizen of the United States, residing in the city of. Anaemia, county of Dutchess, and State of New York, have invented a new and useful Improvement in Acetylene-Gas Burners; and I do hereby declare that the following is a full, clear, and exact description of the same.

My invention relates to burners for acetylene gas. Burners for this purpose are ordinarily made with two converging tips, forming two converging jets which impinge upon each other and make a fiat flame at a right angle to the plane of convergence. The tips have heretofore usually been made of some heat-resisting substance, like clay, formed with a fine duct of appreciable length, terminating in a larger open mixing-chamber, into which lateral air-ducts lead. These gasducts, however, being necessarily of very small diameter and of some length soon become clogged with the products of decomposition of the acetylene gas, with the result that the flame speedily grows smoky and loses its illuminating power. In experimenting to remedy this serious objection to the burners in use I discovered that by using asajet-orifice instead of the fine duct a pin-hole or minute aperture in a thin sheet of mica the orifices, being of inappreciable length, effectually prevented any accumulation of products of decomposition therein and produced a flame which did not in any wise deteriorate after long and continuous use.

My invention therefore consists in a burner provided with jet-orifices of this perforateddiaphragm character opening into the mixing-cham her, and, further, in the special construction and arrangement of parts I devised most simply and effectively to carry the invention into practice.

In order that my invention may be fully understood, I shall first describe in detail the mode in which I carry the same into practice and then point out its various features in the claims.

Reference is to be had to the accompanying drawings, forming part of this specification, in which the same parts are designated by like numbers in all the figures.

Figure l is a side elevation of aburner embodying my invention. Fig. 2 is a sectional side elevation of the upper part of the same, taken on the line 2 2, Fig. Fig. 3 is a crosssectional elevation of the same, taken on the line 3 3, Fig. 2. Figs. 4 and 5 are cross-sectional views on the line a 4, Fig. 2, Fig. 5 showing the mode of forming the orifice in the mica.

In the present practice of my invention I employ an ordinary burner-tube 1, which is squared at its mouth to receive and fit tightly the shank 2 of a burner-head 3. I form the shank 2 and head 3 with a vertical gas-pass 4, communicating with the bore of the burnertube 1 and leading upward into two oppositely-diverging passes 5 and 6 in the head 3. The passes 5 and 6 terminate in small chambers 7 and 8, respectively, which are covered by a thin sheet of mica 9, having minute apertures 10 and 11, centered over the chambers 7 and 8 and forming jet-orifices, whose axes converge and meet, as indicated by dotted lines in Fig. 2, and the jet-orifices open into small open mixing-chambers 12 and 13, into the opposite sides of each of which lead airducts 14. The acetylene gas flows through the passes 4, 5, and 6 from the jet-orifices 10 and 11 into the mixing-chambers 12 and 13, where it is mixed with the air and forms two upwardlyconverging jets, which impinge upon each other, as indicated in Fig. 2, and form when lighted a flame of perfect character and high illuminating quality at right angles to the plane of the converging jets.

The jet-orifices 10 and 11 in the thin mica sheet being of practically no length give no place nor opportunity for the accumulation of the products of combustion, which is so detrimental to the burners in common use, wherein the jets issue from ducts of some length.

As a convenient and economical mode of making this burner I form the burner-head 3 in two parts, as shown, the lower part being made with a groove on its upper concave cylindrical face to form the passes 5 and 6 and chambers 7' and 8 and covered with the sheet of mica 9, and the upper segmental part having a lower convex face closely to fit the concave face of the lower part and the interposed sheet of mica and being formed with the mixing-chambers l2 and 13 and the airducts 14. The two parts are united by soldering along their meeting edges or by any other suitable means.

The mica is preferably perforated to form the central jet-orifices 10 and 11 by means of the perforator 20. (Shown in Fig. 5.)

Having thus set forth the nature-of my invention and the mode in which I carry the same into practice, I claim as new 1. Aburner for acetylene gasprovided with a gas-supply chamber, an air-mixing chamber, and a mica diaphragm between the gassupply chamber and the air-mixing chamber formed with a jet-orifice.

2. A burner foracetylene gas provided with gas-supply chambers, air-mixing chambers,

' and mica diaphragms between the respective gas-supply chambers and mixing-chambers,

formed with jet-orifices whose axes converge to a meeting.

3. A burner for acetylene gas formed of a lower concave section having gas supply chambers I and passes, an upper segmental part having air-ducts and mixing-chambers to fit over the gas-supply chambers and perforated sheet mica interposed between the convex and concave faces.

In testimony whereof I have hereunto set my hand this 26th day of January, 1900.

CHARLES THERON WILLSON.

In presence of CLARENCE'L. BURGER, DAVID G. RoDE. 

